Home / 3,928,446,655.63-5,420,447,102.33-2,257,372,946.41

Finding the Fourth Proportional to 3,928,446,655.63, 5,420,447,102.33 and 2,257,372,946.41

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Solution

The fourth proportional to 3,928,446,655.63, 5,420,447,102.33 and 2,257,372,946.41 is: 3,114,709,634.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,928,446,655.63 : 5,420,447,102.33 = 2,257,372,946.41 : x
  2. Step 2: Convert to fraction form
    3,928,446,655.63/5,420,447,102.33 = 2,257,372,946.41/x
  3. Step 3: Cross multiply
    3,928,446,655.63x = 5,420,447,102.33 × 2,257,372,946.41
  4. Step 4: Simplify right side
    3,928,446,655.63x = 12,235,970,646,229,731,328
  5. Step 5: Solve for x
    x = 12,235,970,646,229,731,328/3,928,446,655.63
  6. Step 6: Final answer
    x = 3,114,709,634.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.